Across
- 1. measure of how acidic or basic a substance is
- 8. high turbidity will cause ______ to increase
- 10. pollution that enters water directly
- 12. cloudiness of water
- 13. 0-7 on the pH scale
- 14. water without oxygen
- 15. 7 on the pH scale
Down
- 1. what "ppm" stands for
- 2. overgrowth of algae in a body of water
- 3. sensitive organism used to measure water quality
- 4. group number of the most sensitive macroinvertebrates
- 5. chemicals from fertilizer
- 6. 7 - 14 on the pH scale
- 7. organisms that live at the bottom of a body of water
- 9. as temperatures increase, DO levels will...
- 11. organization that sets water quality standards